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Finding the Fourth Proportional to 107,084.81, 160,628.33 and 43,888.71

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Solution

The fourth proportional to 107,084.81, 160,628.33 and 43,888.71 is: 65,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,084.81 : 160,628.33 = 43,888.71 : x
  2. Step 2: Convert to fraction form
    107,084.81/160,628.33 = 43,888.71/x
  3. Step 3: Cross multiply
    107,084.81x = 160,628.33 × 43,888.71
  4. Step 4: Simplify right side
    107,084.81x = 7,049,770,905.23
  5. Step 5: Solve for x
    x = 7,049,770,905.23/107,084.81
  6. Step 6: Final answer
    x = 65,833.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.